/* worknew 全部样式 —— 两个页面共用这一份
 *
 * 公用部分在最上面；各页自己的规则用 body 上的类名隔开：
 *   index.html → <body class="page-login">
 *   home.html  → <body class="page-home">
 *
 * 风格：乳白底 + 矩形框，和 aaawww.xyz 首页一致。
 */

/* ==================== 公用 ==================== */

:root {
  --bg: #f8f6f1;
  --fg: #2a2823;
  --muted: #8b877c;
  --line: #ddd8cc;
  --line-strong: #9c9686;
  --card: #ffffff;
  --err: #b3261e;
  --ok: #2f6b3a;
}

* { box-sizing: border-box; }
[v-cloak] { display: none; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.75 -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.sub { margin: 0 0 2px; font-size: 13px; color: var(--muted); }
.stamp { margin: 22px 0 0; font-size: 12px; color: var(--muted); }

button.primary {
  padding: 10px 0;
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: #2a2823;
  border: 1px solid #2a2823;
  cursor: pointer;
}
button.primary:disabled { opacity: .55; cursor: default; }

/* ==================== 登录页 ==================== */

body.page-login {
  padding: 64px 24px 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-login h1 { margin: 0 0 20px; font-size: 19px; font-weight: 600; }

.card {
  width: 100%;
  max-width: 380px;
  padding: 28px 28px 24px;
  background: var(--card);
  border: 1px solid var(--line);
}

/* ---- 登入 / 注册 切换 ---- */
.tabs { display: flex; gap: 6px; margin-bottom: 18px; }

.tab {
  flex: 1;
  padding: 8px 0;
  font: inherit;
  font-size: 14px;
  color: var(--muted);
  background: #fbfaf7;
  border: 1px solid var(--line);
  cursor: pointer;
}
.tab.on {
  color: var(--fg);
  background: #fff;
  border-color: var(--line-strong);
  font-weight: 600;
}

/* ---- 表单 ---- */
.page-login form { display: flex; flex-direction: column; gap: 14px; }
.page-login label { display: flex; flex-direction: column; gap: 6px; }
.page-login label span { font-size: 13px; color: var(--muted); }

.page-login input {
  padding: 9px 11px;
  font: inherit;
  color: var(--fg);
  background: #fff;
  border: 1px solid var(--line);
  outline: none;
}
.page-login input:focus { border-color: var(--line-strong); }
.page-login button.primary { margin-top: 4px; }

/* ---- 提示信息 ---- */
.msg { margin: 14px 0 0; font-size: 13px; }
.msg.err { color: var(--err); }
.msg.info { color: var(--ok); }

.foot { margin: 18px 0 0; font-size: 12px; color: var(--muted); }

/* ==================== 识别页 ==================== */

body.page-home { padding: 32px 28px 40px; }

.page-home h1 { margin: 0; font-size: 20px; font-weight: 600; }

.page-home header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.who { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }

.banner { margin: 0 0 16px; padding: 10px 12px; font-size: 13px; border: 1px solid; }
.banner.err { color: var(--err); border-color: var(--err); background: #fdf3f2; }

.page-home main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 900px) {
  .page-home main { grid-template-columns: 1fr; }
}

/* ---- 画面区 ---- */
.stage {
  position: relative;
  background: #1b1a17;
  border: 1px solid var(--line);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* video 只负责接流，画面我们画到 canvas 上。
   不写 display:none，是为了避免个别浏览器不刷新帧。 */
.stage video {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.stage canvas {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
}

.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
  background: #1b1a17;
  color: #cfc9bd;
}
.ph-title { margin: 0; font-size: 15px; }
.ph-note { margin: 0; font-size: 13px; color: #948d80; max-width: 380px; }

/* ---- 侧栏 ---- */
.panel { display: flex; flex-direction: column; gap: 14px; }

.block {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.block-title { margin: 0; font-size: 13px; color: var(--muted); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 13px; color: var(--muted); }

.page-home select,
.page-home button {
  font: inherit;
  color: var(--fg);
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 10px;
  cursor: pointer;
}
.page-home select:disabled,
.page-home button:disabled { opacity: .5; cursor: default; }
.page-home select:focus,
.page-home button:focus { outline: none; border-color: var(--line-strong); }

button.ghost { padding: 6px 10px; font-size: 13px; }
.wide { width: 100%; }

/* ---- 数据 ---- */
.facts { margin: 0; padding: 0; list-style: none; }
.facts li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid #f0ece3;
  font-size: 13px;
}
.facts li:last-child { border-bottom: none; }
.facts span { color: var(--muted); }
.facts b { font-weight: 600; }
.facts b.big { font-size: 22px; line-height: 1.2; }
.facts b.on { color: var(--ok); }

/* ---- 阈值 ---- */
.row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.row > span { color: var(--muted); }
.row > b { font-weight: 600; min-width: 30px; text-align: right; }
button.mini { padding: 3px 8px; font-size: 12px; }

.hint { margin: 0; font-size: 12px; color: var(--muted); }

/* ---- 操作步骤 ---- */
.steps { margin: 0; padding-left: 18px; font-size: 13px; color: #55504a; }
.steps li { margin-bottom: 4px; }